低反轰热阴极微波电子枪初步实验

High Power Laser and Particle Beams(2011)

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Abstract
简述了紧凑型自由电子激光太赫兹源研制的系统设计方案,介绍了具有两路微波馈入的热阴极微波电子枪的研制与测试情况,利用束流传感器测试了束流强度,并利用CCD相机测试了束斑大小,给出了微波电子枪通过初步热测实验得到的结果。测得微波电子枪出口处束流强度超过500mA,束斑约3mm,采用双屏法测量束流发射度,得到归一化发射度约为13.5π.mm.mrad,测试指标与理论设计值吻合较好。
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Key words
Compact,Free electron laser,Thermionic-cathode RF gun,THz source
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